“…22,25,27,31,[33][34][35][38][39][40][41][42] The random-effects mean preoperative pain score was 5.33 AE 1.01 (I 2 = 0.90) 23,38,40 and the mean post-operative pain score was 4.01 AE 0.51 (I 2 = 0.82) (Figure 3, Table S4). 25,27,34,40,42 In studies reporting pain severity post-operatively, 32/109 (29.3%) were "pain-free" or reported "no pain." 34,38,42 In the remaining studies, pain measures included: numeric rating scale, 38 pain intensity, 41 component of 36 Item Short Form Survey (SF-36) Pain subscore, 22 component of Constant Murley Score, 39 component of DASH, 34 as a questionnaire, 34,35 Wong Baker score, 27 and Brief Pain Inventory (Table S4).…”